package com.xu.GOF23.builder.NONDirector;


public abstract class Builder {

        abstract Builder builderA(String msg);//汉堡

        abstract Builder builderB(String msg);//可乐

        abstract Builder builderC(String msg);//薯条

        abstract Builder builderD(String msg);//甜点

        //进行完建造 ，得到产品
        abstract Product getProduct();

}
